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Question

Chemistry Question on Chemical Reactions

Reaction of PCl3PCl _{3} and PhMgBrPhMgBr would give

A

bromobenzene

B

chlorobenzene

C

triphenylphosphine

D

dichlorobenzene

Answer

triphenylphosphine

Explanation

Solution

The correct option is(C): triphenylphosphine.

When phosphorus trichloride reacts with phenyl magnesium bromide (Grignard's reagent), all the three chlorine atoms of PCl3PCl _{3} are replaced by phenyl group of phenyl magnesium bromide and triphenyl phosphine is obtained.